add recipe continuous builders for each repo with recipes

masters/master.chromium.infra/slaves.cfg

 # -*- python -*-
 # ex: set syntax=python:
 
 # Copyright 2015 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 slaves = [
   {
     'master': 'Infra',
@@ skipping 30 matching lines @@
     'builder': [
       'recipes-py-continuous',
     ],
     'hostname': 'slave138-c1',
     'os': 'linux',
     'version': 'trusty',
     'bits': '64',
   },
   {
     'master': 'Infra',
+    'builder': [
+      'recipe_engine-recipes-tests',
+      'build-recipes-tests',
+      'depot_tools-recipes-tests',
+    ],
+    'hostname': 'slave999-c1',
+    'os': 'linux',
+    'version': 'trusty',
+    'bits': '64',
+  },
+  {
+    'master': 'Infra',
     'builder': ['infra-continuous-trusty-32'],
     'hostname': 'vm26-m1',
     'os': 'linux',
     'version': 'trusty',
     'bits': '32',
   },
   {
     'master': 'Infra',
     'builder': [
       'infra-continuous-precise-64',
@@ skipping 69 matching lines @@
     'builder': [
       'codesearch-submodules-chromium',
       'codesearch-submodules-infra',
     ],
     'hostname': 'slave110-c1',
     'os': 'linux',
     'version': 'trusty',
     'bits': '64',
   },
 ]